Correction to the velocity-per-fringe relationship for the VISAR interferometer
- 1 August 1974
- journal article
- Published by AIP Publishing in Journal of Applied Physics
- Vol. 45 (8), 3692-3693
- https://doi.org/10.1063/1.1663841
Abstract
A Doppler shift in wavelength can result in a very slight change in the index of refraction of a transparent material due to disperison. This effect, if not accounted for, produces an error of a few percent in the velocities determined using the recently developed velocity interferometer for diffusely reflecting surfaces.Keywords
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